HCPL-4731#300

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-4731#300 is a high-speed, dual-channel optocoupler manufactured by Broadcom Limited. It features a Photodarlington output configuration housed in an 8-pin PDIP Gull Wing package. The device provides an insulation voltage of 3750 Vrms and supports data rates up to 100 kb/s. Key electrical parameters include a forward current of 10 mA, a forward voltage of 1.2 V, and a maximum collector output current of 60 mA. The unit operates within a temperature range of -40°C to +85°C with a power dissipation of 115 mW.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Dual-channel architecture for simultaneous signal isolation
• High gain Photodarlington output stage
• Robust 3750 Vrms insulation capability
• Compatible with standard 8-pin DIP footprints

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring galvanic isolation
• Data communication interfaces
• Power supply feedback loops
• Microcontroller input/output isolation

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix #300 against official Broadcom documentation to confirm packaging details and RoHS compliance status. Ensure the procurement channel sources components directly from authorized distributors or verified suppliers to guarantee authenticity. Cross-reference the manufacturer part number with the latest datasheet revisions to confirm pinout compatibility and electrical specifications before finalizing orders.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when dual-channel isolation is required within a compact 8-pin footprint. The Photodarlington output offers high current transfer ratios suitable for driving loads directly. Consider the 100 kb/s data rate limit for signal integrity requirements. Evaluate the thermal performance given the 115 mW power dissipation constraint in enclosed environments.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-4731 series of high-speed optocouplers. It serves as a dual-channel variant designed for applications needing multiple isolated signals in a single package. The series is characterized by low power consumption and high gain, making it suitable for various digital isolation tasks in industrial and commercial electronics.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Check for pin-compatible alternatives within the same family that may offer updated packaging or compliance certifications. Verify that substitute devices maintain the 3750 Vrms isolation rating and 100 kb/s speed requirement. Ensure the replacement supports the same Photodarlington output type and operating temperature range.